8fac7a9f6c
also added backward compatible StatusNet class for the two calls I know third party plugins use, isHTTPS and getActivePlugins
260 lines
9.2 KiB
PHP
260 lines
9.2 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* widget for displaying a list of notice attachments
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category UI
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @author Sarven Capadisli <csarven@status.net>
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* @copyright 2008 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('GNUSOCIAL')) { exit(1); }
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/**
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* widget for displaying a single notice
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*
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* This widget has the core smarts for showing a single notice: what to display,
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* where, and under which circumstances. Its key method is show(); this is a recipe
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* that calls all the other show*() methods to build up a single notice. The
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* ProfileNoticeListItem subclass, for example, overrides showAuthor() to skip
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* author info (since that's implicit by the data in the page).
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*
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* @category UI
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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* @see NoticeList
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* @see ProfileNoticeListItem
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*/
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class AttachmentListItem extends Widget
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{
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/** The attachment this item will show. */
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var $attachment = null;
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/**
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* @param File $attachment the attachment we will display
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*/
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function __construct(File $attachment, $out=null)
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{
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parent::__construct($out);
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$this->attachment = $attachment;
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}
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function title() {
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return $this->attachment->getTitle();
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}
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function linkTitle() {
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return $this->title();
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}
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/**
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* recipe function for displaying a single notice.
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*
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* This uses all the other methods to correctly display a notice. Override
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* it or one of the others to fine-tune the output.
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*
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* @return void
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*/
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function show()
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{
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$this->showStart();
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$this->showNoticeAttachment();
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$this->showEnd();
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}
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function linkAttr() {
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return array('class' => 'attachment',
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'href' => $this->attachment->getUrl(),
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'id' => 'attachment-' . $this->attachment->id,
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'title' => $this->linkTitle());
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}
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function showLink() {
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$this->out->elementStart('a', $this->linkAttr());
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$this->out->element('span', null, $this->linkTitle());
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$this->showRepresentation();
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$this->out->elementEnd('a');
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}
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function showNoticeAttachment()
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{
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$this->showLink();
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}
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function showRepresentation() {
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if (Event::handle('StartShowAttachmentRepresentation', array($this->out, $this->attachment))) {
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if (!empty($this->attachment->mimetype)) {
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switch ($this->attachment->mimetype) {
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case 'image/gif':
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case 'image/png':
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case 'image/jpg':
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case 'image/jpeg':
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try {
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// Tell getThumbnail that we can show an animated image if it has one (4th arg, "force_still")
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$thumb = $this->attachment->getThumbnail(null, null, false, false);
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$this->out->element('img', array('class'=>'u-photo', 'src' => $thumb->getUrl(), 'alt' => ''));
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} catch (UseFileAsThumbnailException $e) {
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$this->out->element('img', array('class'=>'u-photo', 'src' => $e->file->getUrl(), 'alt' => $e->file->title));
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} catch (UnsupportedMediaException $e) {
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// FIXME: Show a good representation of unsupported/unshowable images
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}
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break;
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case 'application/ogg':
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$arr = array('type' => $this->attachment->mimetype,
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'data' => $this->attachment->url,
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'width' => 320,
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'height' => 240
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);
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$this->out->elementStart('object', $arr);
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$this->out->element('param', array('name' => 'src', 'value' => $this->attachment->url));
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$this->out->element('param', array('name' => 'autoStart', 'value' => 1));
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$this->out->elementEnd('object');
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break;
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case 'audio/ogg':
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case 'audio/x-speex':
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case 'video/mpeg':
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case 'audio/mpeg':
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case 'video/mp4':
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case 'video/ogg':
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case 'video/quicktime':
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case 'video/webm':
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$mediatype = common_get_mime_media($this->attachment->mimetype);
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try {
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$thumb = $this->attachment->getThumbnail();
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$poster = $thumb->getUrl();
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unset ($thumb);
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} catch (Exception $e) {
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$poster = null;
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}
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$this->out->elementStart($mediatype,
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array('class'=>"attachment_player u-{$mediatype}",
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'poster'=>$poster,
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'controls'=>'controls'));
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$this->out->element('source',
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array('src'=>$this->attachment->url,
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'type'=>$this->attachment->mimetype));
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$this->out->elementEnd($mediatype);
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break;
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case 'text/html':
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if (!empty($this->attachment->filename)
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&& (GNUsocial::isAjax() || common_config('attachments', 'show_html'))) {
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// Locally-uploaded HTML. Scrub and display inline.
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$this->showHtmlFile($this->attachment);
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break;
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}
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// Fall through to default.
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default:
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Event::handle('ShowUnsupportedAttachmentRepresentation', array($this->out, $this->attachment));
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}
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} else {
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Event::handle('ShowUnsupportedAttachmentRepresentation', array($this->out, $this->attachment));
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}
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}
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Event::handle('EndShowAttachmentRepresentation', array($this->out, $this->attachment));
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}
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protected function showHtmlFile(File $attachment)
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{
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$body = $this->scrubHtmlFile($attachment);
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if ($body) {
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$this->out->raw($body);
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}
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}
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/**
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* @return mixed false on failure, HTML fragment string on success
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*/
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protected function scrubHtmlFile(File $attachment)
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{
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$path = File::path($attachment->filename);
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if (!file_exists($path) || !is_readable($path)) {
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common_log(LOG_ERR, "Missing local HTML attachment $path");
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return false;
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}
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$raw = file_get_contents($path);
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// Normalize...
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$dom = new DOMDocument();
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if(!$dom->loadHTML($raw)) {
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common_log(LOG_ERR, "Bad HTML in local HTML attachment $path");
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return false;
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}
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// Remove <script>s or htmlawed will dump their contents into output!
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// Note: removing child nodes while iterating seems to mess things up,
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// hence the double loop.
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$scripts = array();
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foreach ($dom->getElementsByTagName('script') as $script) {
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$scripts[] = $script;
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}
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foreach ($scripts as $script) {
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common_log(LOG_DEBUG, $script->textContent);
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$script->parentNode->removeChild($script);
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}
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// Trim out everything outside the body...
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$body = $dom->saveHTML();
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$body = preg_replace('/^.*<body[^>]*>/is', '', $body);
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$body = preg_replace('/<\/body[^>]*>.*$/is', '', $body);
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require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
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$config = array('safe' => 1,
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'deny_attribute' => 'id,style,on*',
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'comment' => 1); // remove comments
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$scrubbed = htmLawed($body, $config);
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return $scrubbed;
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}
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/**
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* start a single notice.
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*
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* @return void
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*/
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function showStart()
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{
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// XXX: RDFa
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// TODO: add notice_type class e.g., notice_video, notice_image
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$this->out->elementStart('li');
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}
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/**
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* finish the notice
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*
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* Close the last elements in the notice list item
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*
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* @return void
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*/
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function showEnd()
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{
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$this->out->elementEnd('li');
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}
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}
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